Record preservation requires physical case files to be kept by the Registry for an extended statutory period beyond initial retention. Rule 65 requires that physical records relating to petitions or applications be preserved in a record room for five years after the final order, and, notwithstanding that provision, directs the Registry to maintain the records of petitions or applications, including orders and directions, for fifteen years after the final order, thereby creating a dual retention obligation distinguishing general physical storage from extended Registry custody.